const express = require("express");
const app = express();
const port = 3000;

// 我们需要再重启一个端口，做即时通讯的端口
const server = app.listen(8082);
app.get("/", (req, res) => {
  res.send("Hello World!");
});

app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`);
});
